Re: [R] clustering based on most significant pvalues does not separate the groups!

2011-07-06 Thread pguilha
Yes absolutely, your explanation makes sense. Thanks very much. rgds Paul -- View this message in context: http://r.789695.n4.nabble.com/clustering-based-on-most-significant-pvalues-does-not-separate-the-groups-tp3644249p3649233.html Sent from the R help mailing list archive at Nabble.com. _

Re: [R] clustering based on most significant pvalues does not separate the groups!

2011-07-06 Thread S Ellison
lp-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] On Behalf Of pguilha > Sent: 04 July 2011 19:22 > To: r-help@r-project.org > Subject: [R] clustering based on most significant pvalues > does not separate the groups! > > Hi all, > > I have some microarra

[R] clustering based on most significant pvalues does not separate the groups!

2011-07-04 Thread pguilha
Hi all, I have some microarray data on 40 samples that fall into two groups. I have a value for 480k probes for each of those samples. I performed a t test (rowttests) on each row(giving the indices of the columns for each group) then used p.adjust() to adjust the pvalues for the number of tests p